Mixtures and Solutions
Give material examples of CONDUCTORS- things that can be used as the conductor in a circuit.
wires, copper, aluminum foil
A V shaped valley is made from _____
And another word for it is a _______
Erosion
Canyon
You put salt in hot water and stirred for 15 seconds. What happens?
The salt dissolves and you now have a solution.
Describe refraction and give 2 examples.
Refraction is the bending of light. An example is how a person looks standing in a pool, a rainbow, a light shining thru a prism, eye glasses, a magnifying glass, and a flashlight.
Give examples on insulators, that cannot conduct electricity, but could wrap the wire and stop the flow of electricity.
Rubber, plastic, wood, cotton,
Give an example of unequal forces
I ride a bike down the road- moving
Which landform did we model in our lab where we created a river going into an ocean?
A Delta
Give an example of a solution.
Hot chocolate, Koolaid drink, coffee and cream.
Describe reflection and give an example.
Reflection is when light bounces off of a surface.
Example is shining a laser beam into a mirror, it bounces back right to me.
What process created the landform called a rock arch?
Water weathered and eroded rock pieces away.
What makes a U shaped valley? Explain the process.
Glaciers/ Ice-
Snow falls over time, gets compacted, has pressure, and becomes a glacier, then the bottom layer gets hot and melts a bit, then the glacier slides down the land creating a U shaped valley.